funrep

lastButOne :: [a] -> a
lastButOne xs =
      if xs == [] then "Empty list :P"
      if (length xs) == 1 then "You need more items in your list :P"
      else last (init xs)

funrep

-- file: ch04/InteractWith.hs
-- Save this in a source file, e.g. Interact.hs

import System.Environment (getArgs)

interactWith function inputFile outputFile = do
  input <- readFile inputFile
  writeFile outputFile (function input)

main = mainWith myFunction

funrep

#
# /etc/hosts: static lookup table for host names
#

#<ip-address>   <hostname.domain.org>   <hostname>
127.0.0.1       localhost.localdomain   arch     
::1             localhost.localdomain   localhost

# End of file

funrep

klr@(none):~/tmp $ cat test.c                                                
#include <stdio.h>

main()
{
	int c;

	while ((c = getchar()) != EOF)
		putchar(c);
}

funrep

#!/usr/bin/env python2.7

import os, sys, getopt

def main():

    opts, args = getopt.getopt(sys.argv[1:], "ho:v", ["help", "output="])

    for o, a in opts:
        output = a

funrep

#!/usr/bin/env python2.7
# -*- coding: utf-8 -*-

###    config     ###

title  = 'Blah blah blah!'
theme  = '#000066'
font   = ('Arial', '14px')
colors = (
  '#EEEEEE', # Background

funrep

# this code:

import argparse

parser = argparse.ArgumentParser(prog='cat.py')
parser.add_argument('file', help='file to print and catenate')

main():
  args = parser.parse_args()
  file = open(args.file, 'r').read()

funrep

# cat.py
import argparse

parser = argparse.ArgumentParser(prog='cat.py')
parser.add_argument('file', nargs='+', help='file(s) to print and catenate')

def main():
  args = parser.parse_args()
  files = open(args.file, 'r').read()
  print files

funrep

(require-extension lowdown)

(markdown->html current-input-port)

funrep

(require-extension lowdown)

(markdown->htm)

$ ./main test.md 

Error: unbound variable: markdown->htm

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